gui: added comments and fixed typo.

src/bin/gui.c

@@ -429,6 +429,9 @@ gui_description_set()
    elm_scroller_region_show(gd->desc_scr, 0, 0, 1, 1);
 }
 
+/*
+ * called when the widget style list item is selected.
+ */
 static void
 _style_list_sel_cb(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED,
                    void *event_info EINA_UNUSED)
@@ -553,7 +556,7 @@ _widget_list_sel_cb(void *data, Evas_Object *obj EINA_UNUSED,
 
    ed->selected_widget_type = type;
 
-   // create liust
+   // create list
    li = _gui_widget_style_load(nf, type);
 
    // prev button